Thanos5150 Wrote:
-------------------------------------------------------
> Thanos5150 Wrote:
> --------------------------------------------------
> > Apap Wrote:
> --------------------------------------------------
> > -----
> > > It's candle wax. I can't find the reference, but
> > > I remember reading that the "shelves" were used as
> > > an elevated place for candles by early explorers
> > > who noticed the airflow. Also explains the "fluid
> > > dynamics" and narrow flow down the wall.
> >
> > Holy crap. Duh. Lol. That is excellent Apap and
> > makes perfect sense. I would say "mystery" solved.
>
>

Quote

The history of the investigation of these
> shafts begins in September 1872, when the British
> engineer Waynman Dixon discovered the openings of
> the north and south shafts of the Queen’s
> Chamber. Dixon pushed a wire through the joints of
> the masonry of the south wall, and realized there
> was a hollow space behind. He then chiseled
> through the wall to reveal the shaft. He looked
> for a shaft in the equivalent area of the north
> wall and found one. When he lit a candle and
> placed it in the southern shaft, there was a
> slight draft.

>
> Here.
>
>
> If it was good enough for one shaft in the QC to
> test for air I bet it was good enough for the
> others, not just by Dixon, but anyone of the
> period. Not to mention a light source.


So then, perhaps it really was a 'stain' after all and not just a flash artifact.